Hardware/Software Interface
Page 97
5.3.1.6
Power Button
These commands allow initiating power button events.
Table 85.
BMC API – Power button commands
Command PWRBTN
Command PWRBTN_OVRD
Command
Packet Type
Opcode
Functional Description
PWRBTN
PT_WBD
0x33
Perform pressing of power button
PWRBTN_OVRD PT_WBD
0x34
Perform power button override, i.e.
assert the power button for more than 4
seconds to initiate system shutdown
Opcode:
0x33
Packet Type:
PT_WBD
Bit
7
6
5
4
3
2
1
0
Data
0x69
Opcode:
0x34
Packet Type:
PT_WBD
Bit
7
6
5
4
3
2
1
0
Data
0x69